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San Bernardino County Programs

Welcome to University of California Cooperative Extension, San Bernardino County

We develop and extend practical research-based information in agriculture and natural resource to the residents and workforce of San Bernardino County through a trained core of academics, staff, and volunteers.  Programs include Youth/4-H, Master Gardener, Master Food Preserver, Expanded Food and Nutrition Extension Program (EFNEP), Small Acreage Farms/Farm Management/Urban Agriculture, Natural Resources Management, Public and Commercial Horticulture, Animal Husbandry, and more. 

Click on the program page links on the left for more information on our programs and staff contact information. Have a home gardening or landscaping question? Contact the Master Gardener helpline  (909)387-2182 or mgsanbern@ucanr.edu.

MG Bob Yocum and Crafton Hills College Gardeners


Trees cool urban heat islands and their health should be a priority under drought and water restrictions.  They can cool surface temperatures of asphalt, dark mulch, and synthetic turf by > 60 degrees in inland and desert cities. Even a few deep waterings with a garden hose can keep them alive under heightened water restrictions limiting watering to once a week. Here are more tips:   

Keeping Plants Alive Under Drought and Water Restrictions (English)


Keeping Plants Alive Under Drought and Water Restrictions (Spanish)


Prioritizing Trees During Drought and Water Restrictions (5 minute Youtube)


Tips to Keep Your Landscape Trees Alive Under Drought


Landscape Tree Irrigation to Maximize Tree Health, Benefits, and Beauty


Landscape Tree Irrigation 101


Top 10 Ways to Conserve Water in Your Landscape and Garden


Asphalt and Synthetic Turf are Superheating our Cities (in Desert Sun newspaper)


Contact the UCCE Master Gardener Helpline for more home horticulture tips: mgsanbern@ucanr.edu 



Contact Information

UCCE San Bernardino County Director:

Rita Clemons (rlclemons@ucanr.edu)

Office Address: UC Cooperative Extension, San Bernardino County, Highland Sam J. Racadio Library and Env. Learning Center. 7863 Central Avenue, Highland, CA 92346

All Other Contact Information for Programs and Staff on Left Panel.

norton school garden

MG Dr. Elizabeth Richards of Redlands
mg root 66 compost team 4